[AR] Re: Spartan: Hovering hybrid
- From: Bill Claybaugh <wclaybaugh2@xxxxxxxxxx>
- To: "arocket@xxxxxxxxxxxxx" <arocket@xxxxxxxxxxxxx>
- Date: Thu, 16 Oct 2014 10:49:44 -0400
Jon:
I believe this is the reason this list is called "amateur"....
Bill
Sent from my iPhone
On Oct 16, 2014, at 10:17, Jonathan Goff <jongoff@xxxxxxxxx> wrote:
> ...Because once you've done all the work to figure out how to do fire and
> throttle valves, building another set with slightly different characteristics
> is just too hard. Much easier to deal with a chamber that changes geometry
> throughout the burn, and where you have no real control over mixing
> efficiency.
>
> I mean, cool if they can pull it off, but I've got to scratch my head on why
> they'd do it that way. There *are* places where hybrids might make sense, but
> I have a hard time believing a hovering vehicle is one of them. Unless
> bobbing around like crazy in a semi-controlled fashion is good enough.
>
> Sorry if that came off overly negative, I just wonder about people's design
> choices sometimes.
>
> ~Jon
>
> On Thu, Oct 16, 2014 at 8:12 AM, Mark C Spiegl <mark.spiegl@xxxxxxxxx> wrote:
>> I have no connection with these guys.
>>
>> They're building an LLC type vehicle using hybrid rocket motors instead of
>> biprop.
>>
>> http://www.spartanproject.eu
>>
>> --MCS
>>
>> .
>>
>>
>>
>>
>
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